10 Friday the 13th AM Reads

• Jack Dorsey returned to Twitter two years ago — but he still hasn’t saved the company (Recode) see also Google’s Search for the Sweet Spot (Stratechery)
• The Huge News Wal-Mart Didn’t Make About Wages (Investor’s Business Daily)
• Uber, Lyft reduce transit use, increase vehicle miles, report says (SF Gate)
• How Israel Caught Russian Hackers Scouring the World for U.S. Secrets (New York Times)
• Vintage photos taken by the EPA reveal what America looked like before pollution was regulated (Business Insider)